Deck 2: Epithelium and Exocrine Glands

Question 1

Casein is a major protein produced by cells in:

A) Eccrine sweat glands
B) Mammary glands
C) Mucus-type salivary acini
D) Serous-type salivary acini
E) The exocrine pancreas

Answer 1

B

Question 2

A major protein component of the basal lamina of an epithelium is:

A) Heparin
B) Keratin
C) Tubulin
D) Type II collagen
E) Type IV collagen

Answer 2

E

Question 3

A brush border of microvilli,specialized for the active transport of small molecules across transporter proteins in the cell membrane,is typically found in which type of epithelium?

A) Pseudostratified columnar epithelium
B) Simple columnar epithelium
C) Simple squamous epithelium
D) Stratified squamous epithelium
E) Transitional epithelium

Answer 3

B

Question 4

In certain epithelial cells,the plasma membrane has a scalloped contour and contains many rigid membranous plaques.In which type of epithelium can such cells be found?

A) Simple cuboidal epithelium
B) Simple columnar epithelium
C) Simple squamous epithelium
D) Stratified squamous epithelium
E) Transitional epithelium

Question 5

Goblet cells are typically found in which type of epithelium?

A) Pseudostratified columnar
B) Simple cuboidal
C) Simple squamous
D) Stratified squamous
E) Transitional

Question 6

A stratified cuboidal epithelium is found in which location?

A) Eccrine sweat glands
B) Lining blood vessels
C) Lining the trachea
D) Lining the urinary bladder
E) Surface of the skin

Question 7

A simple squamous epithelium is specialized for:

A) Adaptation to rapid changes in the volume of a hollow organ
B) Diffusion of molecules between a lumen and underlying connective tissue
C) Movement of mucus within the respiratory system
D) Protection of underlying connective tissue from abrasion or desiccation
E) Secretion of proteins into a lumen

Question 8

A serous demilune is defined as a(n):

A) A collection of secretory acini that drain into a single duct
B) An association of secretory vesicles at the apical surface of an epithelial cell
C) A bright-staining segment of a basal lamina beneath glandular epithelial cells
D) A collection of serous cells adjacent to mucus cells of a salivary gland
E) Simple cuboidal cells that constitute the duct portions of salivary glands